Appendices, Specifications general specifications, Appendix a – Omron NT-series Programmable Terminal V022-E3-1 User Manual
Page 268

Appendix A
APPENDIX A
Specifications
General Specifications
Item
Specification
Power supply voltage
24 VDC
Allowable power supply voltage range
20.4 VDC to 26.4 VDC (24 VDC --15% +10%)
Power consumption
24V, less than 15W (ST121 (B)-EV
)
24V, less than 25W (ST211 (B)-EV
)
Inrush current
3 A max.
Ambient operating temperature
0 to +50
C (with no freezing)
Storage temperature
--20 to +70
C (with no freezing)
Ambient operating humidity
35 to 85% RH (with no condensation)
Operating environment
No corrosive gases.
Resistance to electrostatic discharge
Level 3 (IEC801-2)
In air
8 kV, contact
6 kV, indirect
7 kV
Electromagnetic field strength
10 V/m (IEC801-3)
Fast transient/burst noise
Power supply line: 2 kV (IEC801-4)
I/O line: 0.25 kV
Damped oscillatory wave
Power supply line: 1 kV (IEC255-4)
Vibration resistance
10 to 22 Hz with 1.5 mm double amplitude for a total of 30 min. in X, Y, and Z
directions.
22 to 500 Hz with 1.5 G {14.7 m/s
2
} acceleration in X, Y, and Z directions.
Shock resistance
Durability: 30 G, 3 times each in X, Y, and Z directions.
Malfunction: 20 G, 3 times each in X, Y, and Z directions.
Dimensions (mm)
275 (W) x 192 (H) x 71 (D) mm
Weight
1.8 kg max.
Enclosure ratings
Front panel:
Equivalent to IP65 (front face waterproof construction).
Rear case:
IP20
Terminals:
IP00
Applicable standards
EN61131-2 (1994)
EN50081-2 (1992)